| abstract |
The 4-(5-fluoromethyl-2-pyridyloxy)phenoxyalkanecarboxylic acids or their derivatives of formula (I), in which X, Y, R and Z<1> have the meaning mentioned in Claim 1, can be incorporated as active ingredients in herbicidal compositions, more particularly useful in agriculture and horticulture by virtue of their selective herbicidal activity with respect to graminaceous weeds. <IMAGE> |